Most of them have finished their composition___________ (yet\already)

Most of them have finished their composition___________ (yet\already)
Most of them have finished their composition___________ (yet\already)

Most of them have finished their composition___________ (yet\already)
答案 already
原因：already 用于肯定句,Yet 用于否定句和疑问句
不明白的再问哟,请及时采纳,多谢!

ALREADY
YET通常用于否定句中

already 用于肯定句

爱上百度，知道有我。 (*^__^*)
满意请采纳，多谢！